Home / 19,648.14-29,474.32-8,404.65

Finding the Fourth Proportional to 19,648.14, 29,474.32 and 8,404.65

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Solution

The fourth proportional to 19,648.14, 29,474.32 and 8,404.65 is: 12,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.14 : 29,474.32 = 8,404.65 : x
  2. Step 2: Convert to fraction form
    19,648.14/29,474.32 = 8,404.65/x
  3. Step 3: Cross multiply
    19,648.14x = 29,474.32 × 8,404.65
  4. Step 4: Simplify right side
    19,648.14x = 247,721,343.59
  5. Step 5: Solve for x
    x = 247,721,343.59/19,648.14
  6. Step 6: Final answer
    x = 12,607.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.